BS EN 61038:1993 Specification for time switches for tariff and load control
Withdrawn
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This International Standard specifies requirements for the type test of newly manufacturing indoor time switches with operation reserve that are used to control electrical loads, multi-tarif registers and maximum demand devices at certain days and hours throughout the year. These time switches may employ various types of operation including the use of electrical circuits. This Standard does not apply to time switches operated by remote control of synchronized by radio-frequency.
Sampling methods; Accuracy; Dials; Electric power systems; Acceptance (approval); Electric control equipment; Cases; Time switches; Switches; Electricity supply meters; Test equipment; Electrical measurement; Rated voltage; Marking; Electric load; Control switches; Testing conditions; Type testing; Breaking capacity; Switchgear; Electric contacts; Rated frequencies